Summary Tables, Graphs, and Statistics of MLOS V2 and MLOS Combined.

Overall Analysis

Total count of rows in MLOW V2 and MLOS Combined

Total rows in MLOS v2: 447,277

Total rows in MLOS Combined: 446,733

Count of rows with at least one flag (has flag_issue): 103,633


MLOS V2 by Count of Point Sources

Count of unique median_ids regardless if point is from the same source.

Total number of source records: 667,872 in 447,277 MLOS v2 rows.

Source record per MLOS V2 record
source_count records share pct_label
1 336894 0.7532111 75.3%
2 62263 0.1392046 13.9%
3 26082 0.0583129 5.8%
4 10258 0.0229343 2.3%
5 3339 0.0074652 0.7%
6 2956 0.0066089 0.7%
7 1629 0.0036420 0.4%
8 1250 0.0027947 0.3%
9 789 0.0017640 0.2%
10 512 0.0011447 0.1%
11 308 0.0006886 0.1%
12 259 0.0005791 0.1%
13 178 0.0003980 0.0%
14 130 0.0002906 0.0%
15 92 0.0002057 0.0%
16 80 0.0001789 0.0%
17 47 0.0001051 0.0%
18 43 0.0000961 0.0%
19 30 0.0000671 0.0%
20 24 0.0000537 0.0%
21 15 0.0000335 0.0%
23 12 0.0000268 0.0%
24 11 0.0000246 0.0%
27 10 0.0000224 0.0%
22 9 0.0000201 0.0%
26 9 0.0000201 0.0%
25 6 0.0000134 0.0%
28 5 0.0000112 0.0%
32 5 0.0000112 0.0%
30 4 0.0000089 0.0%
31 4 0.0000089 0.0%
33 4 0.0000089 0.0%
34 4 0.0000089 0.0%
29 3 0.0000067 0.0%
41 3 0.0000067 0.0%
36 2 0.0000045 0.0%
35 1 0.0000022 0.0%
37 1 0.0000022 0.0%
40 1 0.0000022 0.0%
42 1 0.0000022 0.0%
48 1 0.0000022 0.0%
59 1 0.0000022 0.0%
69 1 0.0000022 0.0%
75 1 0.0000022 0.0%

Count per source

Source presence across MLoS records
Source Records Share of total
eHealth Geodatabase (2025) 312,337 46.1%
National Polio EOC Geodatabase 189,586 28.0%
eHealth Geodatabase (2021-2024) 83,997 12.4%
Kaduna MLoS 27,471 4.1%
OSM 2025 21,140 3.1%
GRID3 17,216 2.5%
Lagos VTS 2024 9,407 1.4%
CIESIN 6,140 0.9%
GMT 4,897 0.7%
Sokoto MLoS 3,600 0.5%
FACT Foundation (2024) 541 0.1%
Fact Foundation (2025) 448 0.1%
eHealth Niger (2023-2025) 304 0.0%

Flags Analysis

Flag totals with definitions and percent of all rows
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 24,346 5.4%
flag2 Other records have same combination of LGA, ward, settlement names 25,070 5.6%
flag3 Discrepancy in LGA names between matched settlement names 1,107 0.2%
flag4 Discrepancy in Ward names between matched settlement names 6,027 1.3%
flag5 Is within 1m of another settlement point 6,908 1.5%
flag6 Is within 25m of another settlement point 60,092 13.4%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 343,644 76.8%

All flag combinations
Flag combination Records
33 None 343,644
32 F6 45,462
1 F1 19,962
13 F2 17,029
31 F5+F6 5,570
21 F2+F6 4,538
28 F4 3,986
12 F1+F6 1,545
2 F1+F2 1,284
6 F1+F2+F6 908
23 F3+F4 861
20 F2+F5+F6 766
30 F4+F6 514
11 F1+F5+F6 348
17 F2+F4 258
5 F1+F2+F5+F6 185
25 F3+F4+F6 163
9 F1+F4 89
15 F2+F3+F4 46
19 F2+F4+F6 41
29 F4+F5+F6 31
8 F1+F3+F4 15
16 F2+F3+F4+F6 7
10 F1+F4+F6 5
24 F3+F4+F5+F6 5
22 F3 4
4 F1+F2+F4 3
14 F2+F3 2
18 F2+F4+F5+F6 2
3 F1+F2+F3+F4 1
7 F1+F3 1
26 F3+F5+F6 1
27 F3+F6 1

Duplicate count

Number of records that share the same combination of values in the lga_standard, ward_standard, and g3_settl fields.

Number of recors with same combination: counts and shares
Combination Count Records Share
1 422,207 94.4%
2 21,492 4.8%
3 2,668 0.6%
4 548 0.1%
5 185 0.0%
6 66 0.0%
8 48 0.0%
7 42 0.0%
11 11 0.0%
10 10 0.0%

By State

Count of rows by state

Rows per state by flag_count (counts)
State 0 1 2 3 4 Total
Kano 29975 9179 1391 214 5 40764
Kaduna 28584 7444 1054 115 5 37202
Niger 19545 5739 2949 205 9 28447
Bauchi 23355 4603 307 16 1 28282
Borno 17799 5336 774 69 2 23980
Katsina 19958 2389 231 11 0 22589
Ogun 13421 4066 404 26 9 17926
Kebbi 12931 3156 599 290 22 16998
Adamawa 12480 3169 352 26 3 16030
Sokoto 8489 4843 1905 706 18 15961
Jigawa 13027 1691 151 15 1 14885
Yobe 9862 3928 700 118 3 14611
Benue 12899 1066 133 0 0 14098
Kwara 10691 2878 182 29 0 13780
Zamfara 9778 3180 565 93 9 13625
Plateau 10781 2545 190 7 0 13523
Oyo 10064 1342 59 3 1 11469
Taraba 9445 1741 125 12 1 11324
Lagos 5635 4171 1244 127 0 11177
Gombe 8499 1234 169 17 0 9919
Kogi 6510 2853 444 55 1 9863
Nasarawa 6403 2321 207 12 0 8943
Ebonyi 6574 848 12 0 0 7434
Cross River 6022 1125 22 5 1 7175
Osun 4886 945 50 40 38 5959
FCT, Abuja 2780 928 234 42 1 3985
Imo 3688 132 2 0 0 3822
Ondo 2091 1015 57 40 37 3240
Anambra 2660 139 3 0 0 2802
Abia 2496 207 6 0 0 2709
Delta 2185 326 11 0 0 2522
Edo 2072 320 14 8 8 2422
Akwa Ibom 2148 166 36 0 0 2350
Ekiti 1490 701 24 23 23 2261
Bayelsa 1615 391 44 1 0 2051
Enugu 1491 151 6 2 2 1652
Rivers 1315 175 7 0 0 1497
Total 343644 86443 14663 2327 200 447277

Abia

Abia
Total rows in MLOS v2: 2,709
Sources per record (Abia)
Sources per record Records Share of total
0 0 0%
1 2,564 94.6%
2 140 5.2%
3 4 0.1%
4 1 0%
Source presence across MLoS records (Abia)
Source Records Share of total
National Polio EOC Geodatabase 2,633 93.7%
eHealth Geodatabase (2021-2024) 95 3.4%
OSM 2025 82 2.9%
Flag totals with definitions and percent of all rows — Abia
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 34 1.3%
flag2 Other records have same combination of LGA, ward, settlement names 59 2.2%
flag3 Discrepancy in LGA names between matched settlement names 0 0.0%
flag4 Discrepancy in Ward names between matched settlement names 1 0.0%
flag5 Is within 1m of another settlement point 0 0.0%
flag6 Is within 25m of another settlement point 125 4.6%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 2,496 92.1%
All flag combinations — Abia
Flag combination Records
None 2,496
F6 123
F2 53
F1 30
F1+F2 4
F2+F6 2
F4 1

Adamawa

Adamawa
Total rows in MLOS v2: 16,030
Sources per record (Adamawa)
Sources per record Records Share of total
0 0 0%
1 11,677 72.8%
2 2,551 15.9%
3 1,177 7.3%
4 317 2%
5 136 0.8%
6 92 0.6%
7 33 0.2%
8 19 0.1%
9 12 0.1%
10 5 0%
11 4 0%
12 4 0%
13 2 0%
14 1 0%
Source presence across MLoS records (Adamawa)
Source Records Share of total
eHealth Geodatabase (2025) 9,239 44.2%
National Polio EOC Geodatabase 7,373 35.3%
eHealth Geodatabase (2021-2024) 2,815 13.5%
CIESIN 785 3.8%
OSM 2025 493 2.4%
FACT Foundation (2024) 185 0.9%
Flag totals with definitions and percent of all rows — Adamawa
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 596 3.7%
flag2 Other records have same combination of LGA, ward, settlement names 1,267 7.9%
flag3 Discrepancy in LGA names between matched settlement names 32 0.2%
flag4 Discrepancy in Ward names between matched settlement names 376 2.3%
flag5 Is within 1m of another settlement point 99 0.6%
flag6 Is within 25m of another settlement point 1,593 9.9%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 12,480 77.9%
All flag combinations — Adamawa
Flag combination Records
None 12,480
F6 1,339
F2 1,048
F1 493
F4 289
F2+F6 111
F5+F6 80
F1+F2 65
F3+F4 25
F4+F6 22
F2+F4 20
F1+F6 17
F1+F4 12
F2+F5+F6 12
F1+F5+F6 5
F2+F3+F4 5
F1+F2+F5+F6 2
F1+F2+F6 2
F2+F3+F4+F6 1
F2+F4+F6 1
F3+F4+F6 1

Akwa Ibom

Akwa Ibom
Total rows in MLOS v2: 2,350
Sources per record (Akwa Ibom)
Sources per record Records Share of total
0 0 0%
1 1,939 82.5%
2 401 17.1%
3 9 0.4%
4 1 0%
Source presence across MLoS records (Akwa Ibom)
Source Records Share of total
National Polio EOC Geodatabase 2,024 74.1%
eHealth Geodatabase (2021-2024) 377 13.8%
OSM 2025 331 12.1%
Flag totals with definitions and percent of all rows — Akwa Ibom
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 31 1.3%
flag2 Other records have same combination of LGA, ward, settlement names 121 5.1%
flag3 Discrepancy in LGA names between matched settlement names 0 0.0%
flag4 Discrepancy in Ward names between matched settlement names 0 0.0%
flag5 Is within 1m of another settlement point 32 1.4%
flag6 Is within 25m of another settlement point 54 2.3%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 2,148 91.4%
All flag combinations — Akwa Ibom
Flag combination Records
None 2,148
F2 117
F5+F6 32
F1 27
F6 22
F1+F2 4

Anambra

Anambra
Total rows in MLOS v2: 2,802
Sources per record (Anambra)
Sources per record Records Share of total
0 0 0%
1 2,716 96.9%
2 79 2.8%
3 7 0.2%
Source presence across MLoS records (Anambra)
Source Records Share of total
National Polio EOC Geodatabase 2,696 94.3%
OSM 2025 110 3.8%
eHealth Geodatabase (2021-2024) 54 1.9%
Flag totals with definitions and percent of all rows — Anambra
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 71 2.5%
flag2 Other records have same combination of LGA, ward, settlement names 41 1.5%
flag3 Discrepancy in LGA names between matched settlement names 0 0.0%
flag4 Discrepancy in Ward names between matched settlement names 0 0.0%
flag5 Is within 1m of another settlement point 2 0.1%
flag6 Is within 25m of another settlement point 31 1.1%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 2,660 94.9%
All flag combinations — Anambra
Flag combination Records
None 2,660
F1 71
F2 40
F6 28
F5+F6 2
F2+F6 1

Bauchi

Bauchi
Total rows in MLOS v2: 28,282
Sources per record (Bauchi)
Sources per record Records Share of total
0 0 0%
1 22,172 78.4%
2 2,728 9.6%
3 1,619 5.7%
4 522 1.8%
5 339 1.2%
6 347 1.2%
7 149 0.5%
8 126 0.4%
9 79 0.3%
10 57 0.2%
11 33 0.1%
12 28 0.1%
13 15 0.1%
14 15 0.1%
15 12 0%
16 12 0%
17 5 0%
18 3 0%
19 4 0%
20 2 0%
21 3 0%
22 1 0%
23 1 0%
24 0 0%
25 1 0%
26 1 0%
27 3 0%
28 1 0%
29 2 0%
30 1 0%
31 0 0%
32 0 0%
33 0 0%
34 0 0%
35 0 0%
36 0 0%
37 0 0%
38 0 0%
39 0 0%
40 0 0%
41 0 0%
42 0 0%
43 0 0%
44 0 0%
45 0 0%
46 0 0%
47 0 0%
48 0 0%
49 0 0%
50 0 0%
51 0 0%
52 0 0%
53 0 0%
54 0 0%
55 0 0%
56 0 0%
57 0 0%
58 0 0%
59 0 0%
60 0 0%
61 0 0%
62 0 0%
63 0 0%
64 0 0%
65 0 0%
66 0 0%
67 0 0%
68 0 0%
69 1 0%
Source presence across MLoS records (Bauchi)
Source Records Share of total
eHealth Geodatabase (2025) 26,508 74.4%
eHealth Geodatabase (2021-2024) 4,887 13.7%
National Polio EOC Geodatabase 3,896 10.9%
OSM 2025 324 0.9%
Flag totals with definitions and percent of all rows — Bauchi
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 946 3.3%
flag2 Other records have same combination of LGA, ward, settlement names 390 1.4%
flag3 Discrepancy in LGA names between matched settlement names 13 0.0%
flag4 Discrepancy in Ward names between matched settlement names 211 0.7%
flag5 Is within 1m of another settlement point 143 0.5%
flag6 Is within 25m of another settlement point 3,566 12.6%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 23,355 82.6%
All flag combinations — Bauchi
Flag combination Records
None 23,355
F6 3,305
F1 867
F2 284
F4 147
F5+F6 132
F2+F6 45
F1+F6 39
F1+F2 31
F4+F6 29
F2+F4 17
F3+F4 12
F2+F5+F6 7
F1+F5+F6 3
F1+F2+F6 2
F1+F4 2
F2+F4+F6 2
F1+F2+F4 1
F1+F2+F5+F6 1
F3+F4+F6 1

Bayelsa

Bayelsa
Total rows in MLOS v2: 2,051
Sources per record (Bayelsa)
Sources per record Records Share of total
0 0 0%
1 1,821 88.8%
2 192 9.4%
3 32 1.6%
4 6 0.3%
Source presence across MLoS records (Bayelsa)
Source Records Share of total
National Polio EOC Geodatabase 1,814 83%
OSM 2025 312 14.3%
eHealth Geodatabase (2021-2024) 59 2.7%
Flag totals with definitions and percent of all rows — Bayelsa
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 190 9.3%
flag2 Other records have same combination of LGA, ward, settlement names 46 2.2%
flag3 Discrepancy in LGA names between matched settlement names 0 0.0%
flag4 Discrepancy in Ward names between matched settlement names 0 0.0%
flag5 Is within 1m of another settlement point 14 0.7%
flag6 Is within 25m of another settlement point 232 11.3%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 1,615 78.7%
All flag combinations — Bayelsa
Flag combination Records
None 1,615
F6 190
F1 159
F2 42
F1+F6 28
F5+F6 13
F1+F2 3
F2+F5+F6 1

Benue

Benue
Total rows in MLOS v2: 14,098
Sources per record (Benue)
Sources per record Records Share of total
0 0 0%
1 13,558 96.2%
2 446 3.2%
3 73 0.5%
4 16 0.1%
5 4 0%
6 1 0%
Source presence across MLoS records (Benue)
Source Records Share of total
eHealth Geodatabase (2025) 13,714 96.2%
National Polio EOC Geodatabase 387 2.7%
OSM 2025 133 0.9%
eHealth Geodatabase (2021-2024) 17 0.1%
Flag totals with definitions and percent of all rows — Benue
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 261 1.9%
flag2 Other records have same combination of LGA, ward, settlement names 223 1.6%
flag3 Discrepancy in LGA names between matched settlement names 3 0.0%
flag4 Discrepancy in Ward names between matched settlement names 13 0.1%
flag5 Is within 1m of another settlement point 101 0.7%
flag6 Is within 25m of another settlement point 731 5.2%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 12,899 91.5%
All flag combinations — Benue
Flag combination Records
None 12,899
F6 607
F1 254
F2 195
F5+F6 101
F2+F6 20
F4 10
F1+F2 5
F1+F6 2
F2+F3 2
F2+F4 1
F3+F4 1
F4+F6 1

Borno

Borno
Total rows in MLOS v2: 23,980
Sources per record (Borno)
Sources per record Records Share of total
0 0 0%
1 18,078 75.4%
2 4,726 19.7%
3 698 2.9%
4 203 0.8%
5 78 0.3%
6 117 0.5%
7 53 0.2%
8 12 0.1%
9 6 0%
10 5 0%
11 1 0%
12 1 0%
13 0 0%
14 0 0%
15 1 0%
16 0 0%
17 0 0%
18 0 0%
19 0 0%
20 0 0%
21 0 0%
22 0 0%
23 0 0%
24 1 0%
Source presence across MLoS records (Borno)
Source Records Share of total
eHealth Geodatabase (2025) 19,389 63.7%
OSM 2025 6,132 20.1%
National Polio EOC Geodatabase 3,429 11.3%
eHealth Geodatabase (2021-2024) 1,226 4%
FACT Foundation (2024) 142 0.5%
CIESIN 138 0.5%
Flag totals with definitions and percent of all rows — Borno
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 3,630 15.1%
flag2 Other records have same combination of LGA, ward, settlement names 1,038 4.3%
flag3 Discrepancy in LGA names between matched settlement names 4 0.0%
flag4 Discrepancy in Ward names between matched settlement names 51 0.2%
flag5 Is within 1m of another settlement point 466 1.9%
flag6 Is within 25m of another settlement point 1,910 8.0%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 17,799 74.2%
All flag combinations — Borno
Flag combination Records
None 17,799
F1 3,358
F6 1,195
F2 746
F5+F6 399
F2+F6 146
F1+F2 118
F1+F6 97
F1+F5+F6 46
F4 37
F2+F5+F6 19
F1+F4 5
F1+F2+F6 4
F3+F4 4
F2+F4 3
F1+F2+F5+F6 2
F4+F6 2

Cross River

Cross River
Total rows in MLOS v2: 7,175
Sources per record (Cross River)
Sources per record Records Share of total
0 0 0%
1 6,480 90.3%
2 571 8%
3 79 1.1%
4 26 0.4%
5 8 0.1%
6 5 0.1%
7 4 0.1%
8 0 0%
9 1 0%
10 0 0%
11 0 0%
12 0 0%
13 0 0%
14 1 0%
Source presence across MLoS records (Cross River)
Source Records Share of total
National Polio EOC Geodatabase 6,934 92.6%
OSM 2025 304 4.1%
eHealth Geodatabase (2021-2024) 250 3.3%
Flag totals with definitions and percent of all rows — Cross River
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 137 1.9%
flag2 Other records have same combination of LGA, ward, settlement names 130 1.8%
flag3 Discrepancy in LGA names between matched settlement names 0 0.0%
flag4 Discrepancy in Ward names between matched settlement names 3 0.0%
flag5 Is within 1m of another settlement point 7 0.1%
flag6 Is within 25m of another settlement point 911 12.7%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 6,022 83.9%
All flag combinations — Cross River
Flag combination Records
None 6,022
F6 899
F1 116
F2 107
F1+F2 16
F2+F6 5
F1+F5+F6 4
F4 3
F1+F2+F5+F6 1
F2+F5+F6 1
F5+F6 1

Delta

Delta
Total rows in MLOS v2: 2,522
Sources per record (Delta)
Sources per record Records Share of total
0 0 0%
1 2,249 89.2%
2 243 9.6%
3 25 1%
4 5 0.2%
Source presence across MLoS records (Delta)
Source Records Share of total
National Polio EOC Geodatabase 2,015 72.6%
OSM 2025 654 23.6%
eHealth Geodatabase (2021-2024) 107 3.9%
Flag totals with definitions and percent of all rows — Delta
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 71 2.8%
flag2 Other records have same combination of LGA, ward, settlement names 170 6.7%
flag3 Discrepancy in LGA names between matched settlement names 1 0.0%
flag4 Discrepancy in Ward names between matched settlement names 3 0.1%
flag5 Is within 1m of another settlement point 0 0.0%
flag6 Is within 25m of another settlement point 103 4.1%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 2,185 86.6%
All flag combinations — Delta
Flag combination Records
None 2,185
F2 162
F6 96
F1 66
F2+F6 5
F1+F2 3
F1+F6 2
F4 2
F3+F4 1

Ebonyi

Ebonyi
Total rows in MLOS v2: 7,434
Sources per record (Ebonyi)
Sources per record Records Share of total
0 0 0%
1 6,751 90.8%
2 604 8.1%
3 56 0.8%
4 11 0.1%
5 7 0.1%
6 2 0%
7 2 0%
8 1 0%
Source presence across MLoS records (Ebonyi)
Source Records Share of total
National Polio EOC Geodatabase 7,280 94.1%
eHealth Geodatabase (2021-2024) 297 3.8%
OSM 2025 161 2.1%
Flag totals with definitions and percent of all rows — Ebonyi
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 59 0.8%
flag2 Other records have same combination of LGA, ward, settlement names 74 1.0%
flag3 Discrepancy in LGA names between matched settlement names 0 0.0%
flag4 Discrepancy in Ward names between matched settlement names 2 0.0%
flag5 Is within 1m of another settlement point 2 0.0%
flag6 Is within 25m of another settlement point 735 9.9%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 6,574 88.4%
All flag combinations — Ebonyi
Flag combination Records
None 6,574
F6 724
F2 70
F1 53
F1+F6 6
F2+F6 3
F5+F6 2
F2+F4 1
F4 1

Edo

Edo
Total rows in MLOS v2: 2,422
Sources per record (Edo)
Sources per record Records Share of total
0 0 0%
1 2,136 88.2%
2 271 11.2%
3 13 0.5%
4 2 0.1%
Source presence across MLoS records (Edo)
Source Records Share of total
National Polio EOC Geodatabase 2,105 78.3%
OSM 2025 377 14%
eHealth Geodatabase (2021-2024) 207 7.7%
Flag totals with definitions and percent of all rows — Edo
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 176 7.3%
flag2 Other records have same combination of LGA, ward, settlement names 149 6.2%
flag3 Discrepancy in LGA names between matched settlement names 0 0.0%
flag4 Discrepancy in Ward names between matched settlement names 0 0.0%
flag5 Is within 1m of another settlement point 20 0.8%
flag6 Is within 25m of another settlement point 59 2.4%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 2,072 85.5%
All flag combinations — Edo
Flag combination Records
None 2,072
F1 160
F2 124
F6 36
F1+F2+F5+F6 8
F2+F5+F6 8
F1+F2 7
F5+F6 4
F2+F6 2
F1+F6 1

Ekiti

Ekiti
Total rows in MLOS v2: 2,261
Sources per record (Ekiti)
Sources per record Records Share of total
0 0 0%
1 2,130 94.2%
2 125 5.5%
3 6 0.3%
Source presence across MLoS records (Ekiti)
Source Records Share of total
National Polio EOC Geodatabase 2,162 91.4%
eHealth Geodatabase (2021-2024) 121 5.1%
OSM 2025 83 3.5%
Flag totals with definitions and percent of all rows — Ekiti
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 652 28.8%
flag2 Other records have same combination of LGA, ward, settlement names 70 3.1%
flag3 Discrepancy in LGA names between matched settlement names 0 0.0%
flag4 Discrepancy in Ward names between matched settlement names 0 0.0%
flag5 Is within 1m of another settlement point 48 2.1%
flag6 Is within 25m of another settlement point 140 6.2%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 1,490 65.9%
All flag combinations — Ekiti
Flag combination Records
None 1,490
F1 609
F6 72
F1+F2+F5+F6 23
F2+F5+F6 23
F2 20
F1+F6 18
F1+F2 2
F2+F6 2
F5+F6 2

Enugu

Enugu
Total rows in MLOS v2: 1,652
Sources per record (Enugu)
Sources per record Records Share of total
0 0 0%
1 1,584 95.9%
2 66 4%
3 1 0.1%
4 1 0.1%
Source presence across MLoS records (Enugu)
Source Records Share of total
National Polio EOC Geodatabase 1,567 92.3%
OSM 2025 89 5.2%
eHealth Geodatabase (2021-2024) 42 2.5%
Flag totals with definitions and percent of all rows — Enugu
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 75 4.5%
flag2 Other records have same combination of LGA, ward, settlement names 62 3.8%
flag3 Discrepancy in LGA names between matched settlement names 0 0.0%
flag4 Discrepancy in Ward names between matched settlement names 1 0.1%
flag5 Is within 1m of another settlement point 6 0.4%
flag6 Is within 25m of another settlement point 33 2.0%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 1,491 90.3%
All flag combinations — Enugu
Flag combination Records
None 1,491
F1 69
F2 55
F6 27
F1+F2 3
F1+F2+F5+F6 2
F2+F5+F6 2
F5+F6 2
F1+F4 1

FCT, Abuja

FCT, Abuja
Total rows in MLOS v2: 3,985
Sources per record (FCT, Abuja)
Sources per record Records Share of total
0 0 0%
1 2,640 66.2%
2 654 16.4%
3 579 14.5%
4 59 1.5%
5 21 0.5%
6 24 0.6%
7 5 0.1%
8 2 0.1%
9 1 0%
Source presence across MLoS records (FCT, Abuja)
Source Records Share of total
eHealth Geodatabase (2025) 3,596 62.7%
eHealth Geodatabase (2021-2024) 1,211 21.1%
National Polio EOC Geodatabase 864 15.1%
OSM 2025 66 1.2%
Flag totals with definitions and percent of all rows — FCT, Abuja
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 189 4.7%
flag2 Other records have same combination of LGA, ward, settlement names 180 4.5%
flag3 Discrepancy in LGA names between matched settlement names 12 0.3%
flag4 Discrepancy in Ward names between matched settlement names 58 1.5%
flag5 Is within 1m of another settlement point 135 3.4%
flag6 Is within 25m of another settlement point 952 23.9%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 2,780 69.8%
All flag combinations — FCT, Abuja
Flag combination Records
None 2,780
F6 694
F5+F6 122
F1 115
F2 92
F2+F6 49
F1+F6 34
F1+F2+F6 28
F4 27
F3+F4 10
F4+F6 10
F1+F2 6
F4+F5+F6 6
F1+F5+F6 5
F2+F4 2
F2+F5+F6 2
F1+F4 1
F2+F3+F4+F6 1
F3+F4+F6 1

Gombe

Gombe
Total rows in MLOS v2: 9,919
Sources per record (Gombe)
Sources per record Records Share of total
0 0 0%
1 7,736 78%
2 1,356 13.7%
3 438 4.4%
4 232 2.3%
5 76 0.8%
6 48 0.5%
7 13 0.1%
8 6 0.1%
9 6 0.1%
10 4 0%
11 1 0%
12 2 0%
13 0 0%
14 0 0%
15 0 0%
16 0 0%
17 0 0%
18 0 0%
19 1 0%
Source presence across MLoS records (Gombe)
Source Records Share of total
eHealth Geodatabase (2025) 8,691 73.9%
GRID3 1,318 11.2%
National Polio EOC Geodatabase 862 7.3%
eHealth Geodatabase (2021-2024) 722 6.1%
OSM 2025 160 1.4%
Flag totals with definitions and percent of all rows — Gombe
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 406 4.1%
flag2 Other records have same combination of LGA, ward, settlement names 524 5.3%
flag3 Discrepancy in LGA names between matched settlement names 34 0.3%
flag4 Discrepancy in Ward names between matched settlement names 137 1.4%
flag5 Is within 1m of another settlement point 27 0.3%
flag6 Is within 25m of another settlement point 495 5.0%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 8,499 85.7%
All flag combinations — Gombe
Flag combination Records
None 8,499
F2 402
F6 393
F1 359
F4 80
F2+F6 59
F1+F2 37
F3+F4 27
F5+F6 22
F2+F4 12
F2+F5+F6 5
F4+F6 5
F1+F4 4
F2+F3+F4 4
F1+F2+F6 3
F1+F6 3
F3+F4+F6 3
F2+F4+F6 2

Imo

Imo
Total rows in MLOS v2: 3,822
Sources per record (Imo)
Sources per record Records Share of total
0 0 0%
1 3,707 97%
2 107 2.8%
3 7 0.2%
4 1 0%
Source presence across MLoS records (Imo)
Source Records Share of total
National Polio EOC Geodatabase 3,685 94.5%
OSM 2025 154 4%
eHealth Geodatabase (2021-2024) 59 1.5%
Flag totals with definitions and percent of all rows — Imo
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 22 0.6%
flag2 Other records have same combination of LGA, ward, settlement names 48 1.3%
flag3 Discrepancy in LGA names between matched settlement names 0 0.0%
flag4 Discrepancy in Ward names between matched settlement names 0 0.0%
flag5 Is within 1m of another settlement point 0 0.0%
flag6 Is within 25m of another settlement point 66 1.7%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 3,688 96.5%
All flag combinations — Imo
Flag combination Records
None 3,688
F6 65
F2 46
F1 21
F1+F2 1
F2+F6 1

Jigawa

Jigawa
Total rows in MLOS v2: 14,885
Sources per record (Jigawa)
Sources per record Records Share of total
0 0 0%
1 10,973 73.7%
2 1,866 12.5%
3 863 5.8%
4 344 2.3%
5 178 1.2%
6 181 1.2%
7 134 0.9%
8 96 0.6%
9 66 0.4%
10 49 0.3%
11 32 0.2%
12 23 0.2%
13 19 0.1%
14 16 0.1%
15 12 0.1%
16 8 0.1%
17 5 0%
18 5 0%
19 3 0%
20 3 0%
21 2 0%
22 0 0%
23 0 0%
24 0 0%
25 1 0%
26 1 0%
27 1 0%
28 1 0%
29 0 0%
30 2 0%
31 0 0%
32 0 0%
33 1 0%
Source presence across MLoS records (Jigawa)
Source Records Share of total
eHealth Geodatabase (2025) 11,460 57.4%
National Polio EOC Geodatabase 3,216 16.1%
GRID3 2,481 12.4%
eHealth Geodatabase (2021-2024) 2,465 12.3%
OSM 2025 265 1.3%
Fact Foundation (2025) 89 0.4%
Flag totals with definitions and percent of all rows — Jigawa
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 454 3.1%
flag2 Other records have same combination of LGA, ward, settlement names 448 3.0%
flag3 Discrepancy in LGA names between matched settlement names 12 0.1%
flag4 Discrepancy in Ward names between matched settlement names 75 0.5%
flag5 Is within 1m of another settlement point 57 0.4%
flag6 Is within 25m of another settlement point 996 6.7%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 13,027 87.5%
All flag combinations — Jigawa
Flag combination Records
None 13,027
F6 866
F1 420
F2 349
F2+F6 61
F4 55
F5+F6 42
F1+F2 22
F2+F5+F6 10
F3+F4 10
F1+F6 7
F2+F4 4
F4+F6 4
F1+F5+F6 3
F1+F2+F5+F6 1
F1+F4 1
F2+F4+F6 1
F3 1
F3+F5+F6 1

Kaduna

Kaduna
Total rows in MLOS v2: 37,202
Sources per record (Kaduna)
Sources per record Records Share of total
0 0 0%
1 10,579 28.4%
2 14,549 39.1%
3 5,671 15.2%
4 4,450 12%
5 595 1.6%
6 357 1%
7 240 0.6%
8 390 1%
9 107 0.3%
10 88 0.2%
11 39 0.1%
12 48 0.1%
13 24 0.1%
14 21 0.1%
15 7 0%
16 9 0%
17 6 0%
18 3 0%
19 3 0%
20 6 0%
21 0 0%
22 1 0%
23 0 0%
24 2 0%
25 1 0%
26 0 0%
27 0 0%
28 1 0%
29 1 0%
30 0 0%
31 0 0%
32 2 0%
33 0 0%
34 1 0%
35 0 0%
36 0 0%
37 0 0%
38 0 0%
39 0 0%
40 1 0%
Source presence across MLoS records (Kaduna)
Source Records Share of total
eHealth Geodatabase (2025) 26,393 32.7%
Kaduna MLoS 25,426 31.5%
National Polio EOC Geodatabase 14,805 18.4%
eHealth Geodatabase (2021-2024) 11,322 14%
GMT 2,172 2.7%
OSM 2025 517 0.6%
Flag totals with definitions and percent of all rows — Kaduna
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 2,041 5.5%
flag2 Other records have same combination of LGA, ward, settlement names 1,120 3.0%
flag3 Discrepancy in LGA names between matched settlement names 110 0.3%
flag4 Discrepancy in Ward names between matched settlement names 530 1.4%
flag5 Is within 1m of another settlement point 579 1.6%
flag6 Is within 25m of another settlement point 5,537 14.9%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 28,584 76.8%
All flag combinations — Kaduna
Flag combination Records
None 28,584
F6 4,550
F1 1,736
F2 808
F5+F6 496
F4 350
F1+F6 170
F2+F6 169
F3+F4 96
F1+F2 64
F2+F5+F6 40
F4+F6 38
F1+F5+F6 33
F1+F2+F6 18
F2+F4 12
F1+F4 9
F3+F4+F6 8
F4+F5+F6 6
F1+F2+F5+F6 4
F1+F3+F4 4
F2+F4+F6 3
F1+F4+F6 2
F1+F2+F3+F4 1
F2+F3+F4 1

Kano

Kano
Total rows in MLOS v2: 40,764
Sources per record (Kano)
Sources per record Records Share of total
0 0 0%
1 27,559 67.6%
2 6,359 15.6%
3 3,692 9.1%
4 1,223 3%
5 628 1.5%
6 466 1.1%
7 256 0.6%
8 170 0.4%
9 103 0.3%
10 86 0.2%
11 54 0.1%
12 40 0.1%
13 25 0.1%
14 21 0.1%
15 21 0.1%
16 19 0%
17 7 0%
18 2 0%
19 6 0%
20 1 0%
21 3 0%
22 2 0%
23 3 0%
24 2 0%
25 0 0%
26 2 0%
27 1 0%
28 1 0%
29 0 0%
30 0 0%
31 1 0%
32 1 0%
33 1 0%
34 1 0%
35 1 0%
36 0 0%
37 0 0%
38 0 0%
39 0 0%
40 0 0%
41 3 0%
42 1 0%
43 0 0%
44 0 0%
45 0 0%
46 0 0%
47 0 0%
48 1 0%
49 0 0%
50 0 0%
51 0 0%
52 0 0%
53 0 0%
54 0 0%
55 0 0%
56 0 0%
57 0 0%
58 0 0%
59 1 0%
60 0 0%
61 0 0%
62 0 0%
63 0 0%
64 0 0%
65 0 0%
66 0 0%
67 0 0%
68 0 0%
69 0 0%
70 0 0%
71 0 0%
72 0 0%
73 0 0%
74 0 0%
75 1 0%
Source presence across MLoS records (Kano)
Source Records Share of total
eHealth Geodatabase (2025) 28,007 47.8%
National Polio EOC Geodatabase 15,390 26.3%
eHealth Geodatabase (2021-2024) 9,154 15.6%
GMT 2,511 4.3%
OSM 2025 2,003 3.4%
CIESIN 1,394 2.4%
Fact Foundation (2025) 81 0.1%
Flag totals with definitions and percent of all rows — Kano
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 472 1.2%
flag2 Other records have same combination of LGA, ward, settlement names 2,098 5.1%
flag3 Discrepancy in LGA names between matched settlement names 467 1.1%
flag4 Discrepancy in Ward names between matched settlement names 1,956 4.8%
flag5 Is within 1m of another settlement point 391 1.0%
flag6 Is within 25m of another settlement point 7,239 17.8%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 29,975 73.5%
All flag combinations — Kano
Flag combination Records
None 29,975
F6 6,106
F2 1,560
F4 1,119
F1 394
F5+F6 341
F2+F6 326
F3+F4 307
F4+F6 256
F3+F4+F6 137
F2+F4 89
F1+F2 56
F2+F5+F6 35
F2+F3+F4 18
F2+F4+F6 12
F1+F6 9
F1+F4 7
F1+F5+F6 6
F4+F5+F6 6
F3+F4+F5+F6 3
F2+F3+F4+F6 2

Katsina

Katsina
Total rows in MLOS v2: 22,589
Sources per record (Katsina)
Sources per record Records Share of total
0 0 0%
1 16,681 73.8%
2 2,428 10.7%
3 1,787 7.9%
4 418 1.9%
5 256 1.1%
6 375 1.7%
7 203 0.9%
8 102 0.5%
9 131 0.6%
10 50 0.2%
11 37 0.2%
12 25 0.1%
13 29 0.1%
14 15 0.1%
15 7 0%
16 8 0%
17 8 0%
18 8 0%
19 2 0%
20 4 0%
21 3 0%
22 1 0%
23 3 0%
24 1 0%
25 2 0%
26 1 0%
27 2 0%
28 1 0%
29 0 0%
30 1 0%
Source presence across MLoS records (Katsina)
Source Records Share of total
eHealth Geodatabase (2025) 17,224 56.4%
National Polio EOC Geodatabase 7,893 25.8%
eHealth Geodatabase (2021-2024) 5,070 16.6%
OSM 2025 261 0.9%
Fact Foundation (2025) 115 0.4%
Flag totals with definitions and percent of all rows — Katsina
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 898 4.0%
flag2 Other records have same combination of LGA, ward, settlement names 636 2.8%
flag3 Discrepancy in LGA names between matched settlement names 24 0.1%
flag4 Discrepancy in Ward names between matched settlement names 223 1.0%
flag5 Is within 1m of another settlement point 79 0.3%
flag6 Is within 25m of another settlement point 1,024 4.5%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 19,958 88.4%
All flag combinations — Katsina
Flag combination Records
None 19,958
F6 863
F1 823
F2 523
F4 179
F5+F6 72
F2+F6 53
F1+F2 47
F3+F4 22
F1+F6 17
F4+F6 10
F2+F4 7
F1+F5+F6 4
F1+F4 3
F2+F5+F6 3
F1+F2+F6 2
F1+F2+F4 1
F1+F3+F4 1
F3 1

Kebbi

Kebbi
Total rows in MLOS v2: 16,998
Sources per record (Kebbi)
Sources per record Records Share of total
0 0 0%
1 11,707 68.9%
2 2,563 15.1%
3 1,360 8%
4 383 2.3%
5 230 1.4%
6 237 1.4%
7 131 0.8%
8 99 0.6%
9 88 0.5%
10 58 0.3%
11 31 0.2%
12 17 0.1%
13 20 0.1%
14 15 0.1%
15 12 0.1%
16 7 0%
17 4 0%
18 10 0.1%
19 7 0%
20 2 0%
21 2 0%
22 2 0%
23 1 0%
24 3 0%
25 1 0%
26 1 0%
27 2 0%
28 0 0%
29 0 0%
30 0 0%
31 0 0%
32 1 0%
33 1 0%
34 1 0%
35 0 0%
36 1 0%
37 1 0%
Source presence across MLoS records (Kebbi)
Source Records Share of total
eHealth Geodatabase (2025) 11,802 50.1%
National Polio EOC Geodatabase 6,135 26%
eHealth Geodatabase (2021-2024) 3,839 16.3%
OSM 2025 1,717 7.3%
Fact Foundation (2025) 80 0.3%
Flag totals with definitions and percent of all rows — Kebbi
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 1,130 6.6%
flag2 Other records have same combination of LGA, ward, settlement names 1,070 6.3%
flag3 Discrepancy in LGA names between matched settlement names 27 0.2%
flag4 Discrepancy in Ward names between matched settlement names 214 1.3%
flag5 Is within 1m of another settlement point 118 0.7%
flag6 Is within 25m of another settlement point 2,753 16.2%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 12,931 76.1%
All flag combinations — Kebbi
Flag combination Records
None 12,931
F6 1,942
F1 650
F2 404
F2+F6 287
F1+F2+F6 251
F4 160
F1+F6 140
F1+F2 63
F5+F6 60
F2+F5+F6 34
F3+F4 24
F1+F2+F5+F6 21
F4+F6 12
F2+F4 9
F1+F4 4
F3+F4+F6 2
F4+F5+F6 2
F1+F5+F6 1
F2+F3+F4+F6 1

Kogi

Kogi
Total rows in MLOS v2: 9,863
Sources per record (Kogi)
Sources per record Records Share of total
0 0 0%
1 7,048 71.5%
2 2,495 25.3%
3 236 2.4%
4 60 0.6%
5 17 0.2%
6 3 0%
7 2 0%
8 0 0%
9 2 0%
Source presence across MLoS records (Kogi)
Source Records Share of total
eHealth Geodatabase (2025) 9,349 77.6%
National Polio EOC Geodatabase 2,387 19.8%
OSM 2025 311 2.6%
eHealth Geodatabase (2021-2024) 1 0%
Flag totals with definitions and percent of all rows — Kogi
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 472 4.8%
flag2 Other records have same combination of LGA, ward, settlement names 259 2.6%
flag3 Discrepancy in LGA names between matched settlement names 6 0.1%
flag4 Discrepancy in Ward names between matched settlement names 48 0.5%
flag5 Is within 1m of another settlement point 301 3.1%
flag6 Is within 25m of another settlement point 2,824 28.6%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 6,510 66.0%
All flag combinations — Kogi
Flag combination Records
None 6,510
F6 2,343
F1 338
F5+F6 283
F2 132
F1+F6 72
F2+F6 68
F4 40
F1+F2+F6 38
F1+F2 13
F1+F5+F6 10
F2+F5+F6 7
F3+F4 6
F4+F6 2
F1+F2+F5+F6 1

Kwara

Kwara
Total rows in MLOS v2: 13,780
Sources per record (Kwara)
Sources per record Records Share of total
0 0 0%
1 12,622 91.6%
2 905 6.6%
3 194 1.4%
4 35 0.3%
5 12 0.1%
6 7 0.1%
7 1 0%
8 2 0%
9 1 0%
10 0 0%
11 0 0%
12 1 0%
Source presence across MLoS records (Kwara)
Source Records Share of total
eHealth Geodatabase (2025) 12,632 89.5%
CIESIN 908 6.4%
OSM 2025 315 2.2%
National Polio EOC Geodatabase 243 1.7%
eHealth Geodatabase (2021-2024) 15 0.1%
Flag totals with definitions and percent of all rows — Kwara
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 767 5.6%
flag2 Other records have same combination of LGA, ward, settlement names 227 1.6%
flag3 Discrepancy in LGA names between matched settlement names 6 0.0%
flag4 Discrepancy in Ward names between matched settlement names 58 0.4%
flag5 Is within 1m of another settlement point 108 0.8%
flag6 Is within 25m of another settlement point 2,163 15.7%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 10,691 77.6%
All flag combinations — Kwara
Flag combination Records
None 10,691
F6 1,983
F1 663
F2 184
F5+F6 82
F1+F6 56
F4 48
F1+F2 25
F1+F5+F6 21
F2+F6 10
F2+F5+F6 5
F3+F4 5
F4+F6 3
F1+F2+F6 2
F2+F4 1
F3+F4+F6 1

Lagos

Lagos
Total rows in MLOS v2: 11,177
Sources per record (Lagos)
Sources per record Records Share of total
0 0 0%
1 10,870 97.3%
2 279 2.5%
3 22 0.2%
4 3 0%
5 3 0%
Source presence across MLoS records (Lagos)
Source Records Share of total
Lagos VTS 2024 9,281 81.6%
National Polio EOC Geodatabase 1,782 15.7%
OSM 2025 211 1.9%
eHealth Geodatabase (2021-2024) 104 0.9%
Flag totals with definitions and percent of all rows — Lagos
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 36 0.3%
flag2 Other records have same combination of LGA, ward, settlement names 3,087 27.6%
flag3 Discrepancy in LGA names between matched settlement names 2 0.0%
flag4 Discrepancy in Ward names between matched settlement names 21 0.2%
flag5 Is within 1m of another settlement point 338 3.0%
flag6 Is within 25m of another settlement point 3,556 31.8%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 5,635 50.4%
All flag combinations — Lagos
Flag combination Records
None 5,635
F6 2,197
F2 1,933
F2+F6 1,019
F5+F6 213
F2+F5+F6 123
F1 25
F4 16
F1+F2 9
F1+F5+F6 2
F2+F3+F4 1
F2+F4 1
F2+F4+F6 1
F3+F4 1
F4+F6 1

Nasarawa

Nasarawa
Total rows in MLOS v2: 8,943
Sources per record (Nasarawa)
Sources per record Records Share of total
0 0 0%
1 8,080 90.3%
2 755 8.4%
3 86 1%
4 17 0.2%
5 3 0%
6 1 0%
7 0 0%
8 0 0%
9 0 0%
10 0 0%
11 1 0%
Source presence across MLoS records (Nasarawa)
Source Records Share of total
eHealth Geodatabase (2025) 7,027 73.6%
National Polio EOC Geodatabase 2,359 24.7%
OSM 2025 133 1.4%
eHealth Geodatabase (2021-2024) 35 0.4%
Flag totals with definitions and percent of all rows — Nasarawa
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 766 8.6%
flag2 Other records have same combination of LGA, ward, settlement names 170 1.9%
flag3 Discrepancy in LGA names between matched settlement names 2 0.0%
flag4 Discrepancy in Ward names between matched settlement names 40 0.4%
flag5 Is within 1m of another settlement point 71 0.8%
flag6 Is within 25m of another settlement point 1,722 19.3%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 6,403 71.6%
All flag combinations — Nasarawa
Flag combination Records
None 6,403
F6 1,532
F1 625
F2 132
F1+F6 107
F5+F6 60
F4 32
F1+F2 23
F1+F5+F6 10
F2+F6 9
F2+F4 4
F3+F4 2
F4+F6 2
F1+F2+F6 1
F2+F5+F6 1

Niger

Niger
Total rows in MLOS v2: 28,447
Sources per record (Niger)
Sources per record Records Share of total
0 0 0%
1 21,724 76.4%
2 3,562 12.5%
3 1,904 6.7%
4 566 2%
5 239 0.8%
6 198 0.7%
7 95 0.3%
8 52 0.2%
9 47 0.2%
10 20 0.1%
11 11 0%
12 7 0%
13 6 0%
14 5 0%
15 4 0%
16 3 0%
17 0 0%
18 1 0%
19 0 0%
20 0 0%
21 0 0%
22 0 0%
23 1 0%
24 0 0%
25 0 0%
26 1 0%
27 0 0%
28 0 0%
29 0 0%
30 0 0%
31 0 0%
32 1 0%
Source presence across MLoS records (Niger)
Source Records Share of total
eHealth Geodatabase (2025) 17,865 49.9%
National Polio EOC Geodatabase 8,802 24.6%
eHealth Geodatabase (2021-2024) 5,878 16.4%
CIESIN 2,372 6.6%
OSM 2025 556 1.6%
eHealth Niger (2023-2025) 304 0.8%
Flag totals with definitions and percent of all rows — Niger
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 1,244 4.4%
flag2 Other records have same combination of LGA, ward, settlement names 1,718 6.0%
flag3 Discrepancy in LGA names between matched settlement names 94 0.3%
flag4 Discrepancy in Ward names between matched settlement names 634 2.2%
flag5 Is within 1m of another settlement point 2,542 8.9%
flag6 Is within 25m of another settlement point 6,056 21.3%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 19,545 68.7%
All flag combinations — Niger
Flag combination Records
None 19,545
F6 3,108
F5+F6 2,370
F2 1,290
F1 909
F4 431
F2+F6 234
F1+F5+F6 115
F1+F2 85
F1+F6 82
F3+F4 76
F4+F6 58
F2+F5+F6 45
F2+F4 25
F1+F2+F6 21
F1+F4 18
F1+F2+F5+F6 7
F2+F4+F6 7
F1+F3+F4 6
F2+F3+F4 4
F3+F4+F6 4
F4+F5+F6 3
F3+F4+F5+F6 2
F1+F3 1
F3 1

Ogun

Ogun
Total rows in MLOS v2: 17,926
Sources per record (Ogun)
Sources per record Records Share of total
0 0 0%
1 15,248 85.1%
2 2,123 11.8%
3 497 2.8%
4 48 0.3%
5 7 0%
6 2 0%
7 1 0%
Source presence across MLoS records (Ogun)
Source Records Share of total
GRID3 12,342 59.7%
National Polio EOC Geodatabase 7,139 34.5%
eHealth Geodatabase (2021-2024) 722 3.5%
OSM 2025 482 2.3%
Flag totals with definitions and percent of all rows — Ogun
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 573 3.2%
flag2 Other records have same combination of LGA, ward, settlement names 1,959 10.9%
flag3 Discrepancy in LGA names between matched settlement names 120 0.7%
flag4 Discrepancy in Ward names between matched settlement names 470 2.6%
flag5 Is within 1m of another settlement point 46 0.3%
flag6 Is within 25m of another settlement point 1,820 10.2%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 13,421 74.9%
All flag combinations — Ogun
Flag combination Records
None 13,421
F2 1,691
F6 1,603
F1 443
F4 329
F2+F6 149
F3+F4 113
F1+F2 90
F5+F6 19
F1+F5+F6 18
F1+F6 12
F2+F4 12
F1+F2+F5+F6 9
F4+F6 9
F2+F3+F4 7
F1+F2+F6 1

Ondo

Ondo
Total rows in MLOS v2: 3,240
Sources per record (Ondo)
Sources per record Records Share of total
0 0 0%
1 3,037 93.7%
2 188 5.8%
3 12 0.4%
4 3 0.1%
Source presence across MLoS records (Ondo)
Source Records Share of total
National Polio EOC Geodatabase 3,013 89.5%
OSM 2025 211 6.3%
eHealth Geodatabase (2021-2024) 141 4.2%
Flag totals with definitions and percent of all rows — Ondo
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 958 29.6%
flag2 Other records have same combination of LGA, ward, settlement names 134 4.1%
flag3 Discrepancy in LGA names between matched settlement names 0 0.0%
flag4 Discrepancy in Ward names between matched settlement names 0 0.0%
flag5 Is within 1m of another settlement point 76 2.3%
flag6 Is within 25m of another settlement point 229 7.1%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 2,091 64.5%
All flag combinations — Ondo
Flag combination Records
None 2,091
F1 864
F6 106
F2 45
F1+F6 43
F1+F2+F5+F6 37
F2+F5+F6 37
F1+F2 11
F1+F2+F6 2
F2+F6 2
F1+F5+F6 1
F5+F6 1

Osun

Osun
Total rows in MLOS v2: 5,959
Sources per record (Osun)
Sources per record Records Share of total
0 0 0%
1 5,608 94.1%
2 338 5.7%
3 10 0.2%
4 2 0%
5 1 0%
Source presence across MLoS records (Osun)
Source Records Share of total
National Polio EOC Geodatabase 5,279 84.8%
CIESIN 527 8.5%
eHealth Geodatabase (2021-2024) 278 4.5%
OSM 2025 141 2.3%
Flag totals with definitions and percent of all rows — Osun
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 701 11.8%
flag2 Other records have same combination of LGA, ward, settlement names 301 5.1%
flag3 Discrepancy in LGA names between matched settlement names 1 0.0%
flag4 Discrepancy in Ward names between matched settlement names 9 0.2%
flag5 Is within 1m of another settlement point 80 1.3%
flag6 Is within 25m of another settlement point 225 3.8%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 4,886 82.0%
All flag combinations — Osun
Flag combination Records
None 4,886
F1 616
F2 194
F6 129
F1+F2+F5+F6 38
F2+F5+F6 36
F1+F2 29
F1+F6 14
F4 6
F1+F5+F6 4
F2+F4 2
F2+F6 2
F5+F6 2
F3+F4 1

Oyo

Oyo
Total rows in MLOS v2: 11,469
Sources per record (Oyo)
Sources per record Records Share of total
0 0 0%
1 10,370 90.4%
2 1,018 8.9%
3 65 0.6%
4 15 0.1%
5 1 0%
Source presence across MLoS records (Oyo)
Source Records Share of total
National Polio EOC Geodatabase 11,158 91.3%
eHealth Geodatabase (2021-2024) 716 5.9%
OSM 2025 349 2.9%
Flag totals with definitions and percent of all rows — Oyo
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 617 5.4%
flag2 Other records have same combination of LGA, ward, settlement names 255 2.2%
flag3 Discrepancy in LGA names between matched settlement names 0 0.0%
flag4 Discrepancy in Ward names between matched settlement names 0 0.0%
flag5 Is within 1m of another settlement point 12 0.1%
flag6 Is within 25m of another settlement point 589 5.1%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 10,064 87.7%
All flag combinations — Oyo
Flag combination Records
None 10,064
F1 571
F6 556
F2 215
F1+F2 30
F1+F6 14
F5+F6 8
F2+F6 7
F2+F5+F6 2
F1+F2+F5+F6 1
F1+F5+F6 1

Plateau

Plateau
Total rows in MLOS v2: 13,523
Sources per record (Plateau)
Sources per record Records Share of total
0 0 0%
1 12,466 92.2%
2 901 6.7%
3 125 0.9%
4 25 0.2%
5 3 0%
6 2 0%
7 0 0%
8 1 0%
Source presence across MLoS records (Plateau)
Source Records Share of total
eHealth Geodatabase (2025) 10,048 70.8%
National Polio EOC Geodatabase 3,874 27.3%
OSM 2025 166 1.2%
eHealth Geodatabase (2021-2024) 95 0.7%
Flag totals with definitions and percent of all rows — Plateau
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 561 4.1%
flag2 Other records have same combination of LGA, ward, settlement names 185 1.4%
flag3 Discrepancy in LGA names between matched settlement names 38 0.3%
flag4 Discrepancy in Ward names between matched settlement names 135 1.0%
flag5 Is within 1m of another settlement point 103 0.8%
flag6 Is within 25m of another settlement point 1,924 14.2%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 10,781 79.7%
All flag combinations — Plateau
Flag combination Records
None 10,781
F6 1,775
F1 520
F2 158
F5+F6 99
F4 92
F3+F4 35
F1+F6 26
F2+F6 13
F1+F2 12
F4+F6 4
F3+F4+F6 3
F1+F5+F6 2
F2+F5+F6 2
F1+F4 1

Rivers

Rivers
Total rows in MLOS v2: 1,497
Sources per record (Rivers)
Sources per record Records Share of total
0 0 0%
1 1,373 91.7%
2 113 7.5%
3 9 0.6%
4 0 0%
5 0 0%
6 0 0%
7 1 0.1%
8 0 0%
9 1 0.1%
Source presence across MLoS records (Rivers)
Source Records Share of total
National Polio EOC Geodatabase 1,143 71.4%
OSM 2025 439 27.4%
eHealth Geodatabase (2021-2024) 18 1.1%
Flag totals with definitions and percent of all rows — Rivers
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 44 2.9%
flag2 Other records have same combination of LGA, ward, settlement names 101 6.7%
flag3 Discrepancy in LGA names between matched settlement names 0 0.0%
flag4 Discrepancy in Ward names between matched settlement names 2 0.1%
flag5 Is within 1m of another settlement point 4 0.3%
flag6 Is within 25m of another settlement point 38 2.5%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 1,315 87.8%
All flag combinations — Rivers
Flag combination Records
None 1,315
F2 98
F1 43
F6 32
F5+F6 4
F2+F6 2
F4 2
F1+F2 1

Sokoto

Sokoto
Total rows in MLOS v2: 15,961
Sources per record (Sokoto)
Sources per record Records Share of total
0 0 0%
1 11,465 71.8%
2 1,875 11.7%
3 1,216 7.6%
4 558 3.5%
5 222 1.4%
6 147 0.9%
7 130 0.8%
8 99 0.6%
9 66 0.4%
10 45 0.3%
11 26 0.2%
12 31 0.2%
13 23 0.1%
14 10 0.1%
15 11 0.1%
16 6 0%
17 7 0%
18 7 0%
19 2 0%
20 5 0%
21 1 0%
22 0 0%
23 2 0%
24 2 0%
25 0 0%
26 0 0%
27 1 0%
28 0 0%
29 0 0%
30 0 0%
31 3 0%
32 0 0%
33 1 0%
Source presence across MLoS records (Sokoto)
Source Records Share of total
eHealth Geodatabase (2025) 9,461 42.3%
National Polio EOC Geodatabase 4,860 21.8%
eHealth Geodatabase (2021-2024) 3,882 17.4%
Sokoto MLoS 2,667 11.9%
OSM 2025 1,439 6.4%
Fact Foundation (2025) 35 0.2%
Flag totals with definitions and percent of all rows — Sokoto
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 2,208 13.8%
flag2 Other records have same combination of LGA, ward, settlement names 3,852 24.1%
flag3 Discrepancy in LGA names between matched settlement names 11 0.1%
flag4 Discrepancy in Ward names between matched settlement names 110 0.7%
flag5 Is within 1m of another settlement point 400 2.5%
flag6 Is within 25m of another settlement point 4,262 26.7%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 8,489 53.2%
All flag combinations — Sokoto
Flag combination Records
None 8,489
F2 1,907
F6 1,887
F2+F6 999
F1 988
F1+F2+F6 504
F1+F6 447
F1+F2 233
F5+F6 193
F2+F5+F6 173
F4 61
F1+F2+F5+F6 16
F1+F5+F6 15
F4+F6 13
F2+F4 9
F2+F4+F6 8
F3+F4 8
F1+F4 3
F1+F4+F6 2
F4+F5+F6 2
F2+F3+F4 1
F2+F3+F4+F6 1
F2+F4+F5+F6 1
F3+F4+F6 1

Taraba

Taraba
Total rows in MLOS v2: 11,324
Sources per record (Taraba)
Sources per record Records Share of total
0 0 0%
1 10,260 90.6%
2 706 6.2%
3 231 2%
4 106 0.9%
5 14 0.1%
6 3 0%
7 1 0%
8 1 0%
9 1 0%
10 0 0%
11 0 0%
12 0 0%
13 1 0%
Source presence across MLoS records (Taraba)
Source Records Share of total
eHealth Geodatabase (2025) 9,064 72.8%
National Polio EOC Geodatabase 2,458 19.7%
eHealth Geodatabase (2021-2024) 690 5.5%
OSM 2025 234 1.9%
Flag totals with definitions and percent of all rows — Taraba
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 855 7.6%
flag2 Other records have same combination of LGA, ward, settlement names 165 1.5%
flag3 Discrepancy in LGA names between matched settlement names 39 0.3%
flag4 Discrepancy in Ward names between matched settlement names 218 1.9%
flag5 Is within 1m of another settlement point 48 0.4%
flag6 Is within 25m of another settlement point 706 6.2%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 9,445 83.4%
All flag combinations — Taraba
Flag combination Records
None 9,445
F1 820
F6 620
F4 173
F2 127
F3+F4 36
F5+F6 36
F1+F6 17
F2+F6 17
F1+F2 11
F2+F5+F6 7
F1+F5+F6 4
F4+F6 3
F1+F4 2
F2+F4 2
F1+F3+F4 1
F2+F4+F5+F6 1
F3 1
F3+F6 1

Yobe

Yobe
Total rows in MLOS v2: 14,611
Sources per record (Yobe)
Sources per record Records Share of total
0 0 0%
1 9,862 67.5%
2 2,175 14.9%
3 1,884 12.9%
4 292 2%
5 119 0.8%
6 100 0.7%
7 69 0.5%
8 21 0.1%
9 27 0.2%
10 18 0.1%
11 17 0.1%
12 8 0.1%
13 5 0%
14 3 0%
15 1 0%
16 5 0%
17 3 0%
18 1 0%
19 1 0%
Source presence across MLoS records (Yobe)
Source Records Share of total
eHealth Geodatabase (2025) 10,532 49.8%
eHealth Geodatabase (2021-2024) 5,590 26.4%
National Polio EOC Geodatabase 4,598 21.7%
OSM 2025 221 1%
FACT Foundation (2024) 204 1%
Flag totals with definitions and percent of all rows — Yobe
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 1,256 8.6%
flag2 Other records have same combination of LGA, ward, settlement names 1,735 11.9%
flag3 Discrepancy in LGA names between matched settlement names 22 0.2%
flag4 Discrepancy in Ward names between matched settlement names 151 1.0%
flag5 Is within 1m of another settlement point 226 1.5%
flag6 Is within 25m of another settlement point 2,304 15.8%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 9,862 67.5%
All flag combinations — Yobe
Flag combination Records
None 9,862
F6 1,651
F2 1,128
F1 1,053
F2+F6 371
F1+F2 128
F5+F6 126
F4 96
F2+F5+F6 75
F1+F6 32
F1+F5+F6 17
F3+F4 16
F1+F2+F6 14
F2+F4 12
F4+F6 8
F1+F4 7
F4+F5+F6 5
F2+F3+F4 4
F1+F2+F5+F6 3
F1+F3+F4 1
F1+F4+F6 1
F3+F4+F6 1

Zamfara

Zamfara
Total rows in MLOS v2: 13,625
Sources per record (Zamfara)
Sources per record Records Share of total
0 0 0%
1 9,424 69.2%
2 1,805 13.2%
3 1,395 10.2%
4 307 2.3%
5 142 1%
6 241 1.8%
7 106 0.8%
8 51 0.4%
9 44 0.3%
10 27 0.2%
11 21 0.2%
12 24 0.2%
13 9 0.1%
14 7 0.1%
15 4 0%
16 3 0%
17 2 0%
18 3 0%
19 1 0%
20 1 0%
21 1 0%
22 2 0%
23 1 0%
24 0 0%
25 0 0%
26 2 0%
27 0 0%
28 0 0%
29 0 0%
30 0 0%
31 0 0%
32 0 0%
33 0 0%
34 1 0%
35 0 0%
36 1 0%
Source presence across MLoS records (Zamfara)
Source Records Share of total
eHealth Geodatabase (2025) 10,282 53.5%
National Polio EOC Geodatabase 4,404 22.9%
eHealth Geodatabase (2021-2024) 3,717 19.3%
OSM 2025 795 4.1%
Fact Foundation (2025) 36 0.2%
Flag totals with definitions and percent of all rows — Zamfara
Flag Definition Count Percent
flag1 More than 150m from nearest settlement extent 747 5.5%
flag2 Other records have same combination of LGA, ward, settlement names 958 7.0%
flag3 Discrepancy in LGA names between matched settlement names 27 0.2%
flag4 Discrepancy in Ward names between matched settlement names 277 2.0%
flag5 Is within 1m of another settlement point 227 1.7%
flag6 Is within 25m of another settlement point 2,389 17.5%
flag7 Settlement name contains PoI-type words 0 0.0%
None No flags set 9,778 71.8%
All flag combinations — Zamfara
Flag combination Records
None 9,778
F6 1,798
F1 634
F2 548
F2+F6 289
F4 200
F5+F6 149
F2+F5+F6 51
F1+F6 33
F1+F2 27
F3+F4 23
F4+F6 22
F1+F5+F6 18
F1+F2+F6 15
F2+F4 13
F1+F4 9
F1+F2+F5+F6 8
F2+F4+F6 4
F1+F3+F4 2
F1+F2+F4 1
F2+F3+F4 1
F2+F3+F4+F6 1
F4+F5+F6 1

© 2025 Columbia University — Licensed under CC BY 4.0